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 ###Instrução: Qual torneio foi em 2001 e 2006?
 ###Tabelas: CREATE TABLE first_line_series (first_line_series_id AUTO_INCREMENT PRIMARY KEY, Airing date VARCHAR, English title (Chinese title) VARCHAR, Number of episodes INT, Theme song (T) Sub-theme song (ST) VARCHAR, Genre VARCHAR) CREATE TABLE series (series_id AUTO_INCREMENT PRIMARY KEY, Series INT, Season VARCHAR, Played in VARCHAR, First Match VARCHAR, Tests played (sched) VARCHAR, Tests won by Australia INT, Tests won by England INT, Tests drawn INT, Series result VARCHAR, Holder at series end VARCHAR) CREATE TABLE 1945 (1945_id AUTO_INCREMENT PRIMARY KEY, Title VARCHAR, Series VARCHAR, Director VARCHAR, Production Number VARCHAR, Release date VARCHAR, reissue? VARCHAR) CREATE TABLE doubles_performance_timeline (doubles_performance_timeline_id AUTO_INCREMENT PRIMARY KEY, Tournament VARCHAR, 1998 VARCHAR, 1999 VARCHAR, 2000 VARCHAR, 2001 VARCHAR, 2002 VARCHAR, 2003 VARCHAR, 2004 VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR) CREATE TABLE afc_cup (afc_cup_id AUTO_INCREMENT PRIMARY KEY, Match INT, Date VARCHAR, Round VARCHAR, Home/Away VARCHAR, Opponent team VARCHAR, Score VARCHAR)  
SELECT Tournament FROM doubles_performance_timeline WHERE 2001 = a AND 2006 = a